"it" inference supported

idea/testData/checkerWithErrorTypes/quick/AutoCreatedIt.jet

@@ -0,0 +1,32 @@
+fun text() {
+    "direct:a" to "mock:a"
+    "direct:a" on {it.body == "<hello/>"} to "mock:a"
+    "direct:a" on {it => it.body == "<hello/>"} to "mock:a"
+    bar <!TYPE_MISMATCH!>{1}<!>
+    bar <!TYPE_MISMATCH!>{<!UNRESOLVED_REFERENCE!>it<!> <!UNRESOLVED_REFERENCE!>+<!> 1}<!>
+    bar {it, it1 => it}
+
+    bar1 {1}
+    bar1 {it + 1}
+
+    bar2 <!TYPE_MISMATCH!>{<!TYPE_MISMATCH!><!>}<!>
+    bar2 {1}
+    bar2 {<!UNRESOLVED_REFERENCE!>it<!>}
+    bar2 <!TYPE_MISMATCH!>{<!CANNOT_INFER_PARAMETER_TYPE!>it<!> => it}<!>
+}
+
+fun bar(f : fun (Int, Int) : Int) {}
+fun bar1(f : fun (Int) : Int) {}
+fun bar2(f : fun () : Int) {}
+
+fun String.to(dest : String) {
+
+}
+
+fun String.on(predicate : fun (s : URI) : Boolean) : URI {
+    return URI(this)
+}
+
+class URI(val body : Any) {
+    fun to(dest : String) {}
+}